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參數資料
| 型號： | CDB43122 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | 122dB, 24-Bit, 192kHz DAC for Digital Audio |
| 中文描述： | 122分貝，24位，192kHz的數字音頻數模轉換器 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 523K |
| 代理商： | CDB43122 |
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Advance Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
Cirrus Logic, Inc. 2000
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
CS43122
122 dB, 24-Bit, 192 kHz DAC for Digital Audio
Features
l
24 Bit Conversion
l
Up to 192 kHz Sample Rates
l
122 dB Dynamic Range
l
-102 dB THD+N
l
Second-Order Dynamic-Element Matching
l
Low Clock Jitter Sensitivity
l
102 dB Stop-band attenuation
l
Single +5 V supply
l
Soft Mute Control
l
Digital De-Emphasis for 32, 44.1, and 48 kHz
l
External Reference Input
l
Pin-compatible with the CS4396
Description
The CS43122 is a complete high performance 24 bit-
192 kHz stereo digital-to-analog conversion system. The
device includes a digital interpolation filter followed by an
oversampled 5 bit delta-sigma modulator which drives
second generation dynamic-element-matching (DEM)
selection logic. The output from the DEM block controls
the input to a multi-element switched capacitor DAC/low-
pass filter, with fully-differential outputs. This multi-bit ar-
chitecture features significantly lower out-of-band noise
and jitter sensitivity than traditional 1-bit designs, and the
advanced second generation DEM guarantees low noise
and distortion at all signal levels.
The CS43122 is the optimal D/A converter solution for
any application that requires the highest performance
and best possible sound quality including high-end con-
sumer and professional audio products such as
Universal DVD players, A/V receivers, Outboard D/A
Converters, CD Players, and Mixing Consoles.
ORDERING INFORMATION
CS43122-KS
-10° to 70° C 28-pin SOIC
CDB43122
Evaluation Board
SCLK
LRCK
MCLK
M4
SDATA
AOUTL+
AOUTR+
SERIAL INTERFACE
AND FORMAT SELECT
INTERPOLATION
FILTER
SOFT MUTE
Σ
MODULATOR
DYNAMIC
ELEMENT
MATCHING
LOGIC
DE-EMPHASIS
FILTER
SWITCHED
CAPACITOR-DAC
AND FILTER
AOUTL-
AOUTR-
FILT+
INTERPOLATION
FILTER
MULTI-BIT
Σ
MODULATOR
MULTI-BIT
DYNAMIC
ELEMENT
MATCHING
LOGIC
SWITCHED
CAPACITOR-DAC
AND FILTER
VREF
CMOUT
FILT-
VOLTAGE REFERENCE
HARDWARE MODE CONTROL
(CONTROL PORT)
CLOCK
DIVIDER
(AD0/CS)
M3
M2
(AD1/CDIN) (SCL/CCLK)
M1
M0
(SDA/CDOUT)
RESET
MUTEC MUTE
DEC ‘00
DS526PP2
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